F1807 - uses PEX insert fittings that are crimped in place, using a copper crimp ring, a stainless ring with ears (Oetiker) or a stainless sleeve. Also, the fittings are available in both lead free brass and poly (PPSU). This method can be used on all PEX tubing types (A, B or C)
SUNGATOR 12-Pack PEX 3/4 X 1/2 NPT Male Threaded Adapter Crimp Fitting
3/4 Crimp Pex Male Adapter, Lead Free Brass - - Plumbing, Electric & Lighting Wholesale
SharkBite 1/2-inch x 1/2-inch Male (MNPT) Brass PEX Adapter (10-Pack)
247Garden 1 Expansion PEX x 1 NPT Male Adapter (NSF Lead Free Brass F1960)
3/4 x 3/4 Inch PEX Male NPT Threaded Adapter Connector Fitting Crimp B – VENTRAL®
Pack of 2) EFIELD PEX FEMALE THREADED NPT ELBOW ADAPTER BRASS CRIMP F
247Garden 1/2 x 1/2 x 3/4 Expansion PEX Reducing Tee Fitting (NSF Lead Free Brass F1960)
F1960 Brass PEX Fittings – Mainline Collection
F1960 Brass PEX Fittings – Mainline Collection
3/4 Male Solder x 3/4 F1960 Brass Expansion PEX Adapter (Lead Free)
Male Adapter MPT - Pex Brass
Male NPT Adapter PEX Valves - MNPT x PEX C.E. Valves - 1 400WOG
1-1/4 PEX × 3/4 FNPT No Lead Brass Adapter
1 1/4 Pex crimp MPT Male pipe thread ( Bag of 25 ) LEAD FREE! – Badger Insulated Pipe
247Garden 3/4 Expansion PEX x 1 Male Sweat Copper Fitting Adapter (NSF Lead Free Brass F1960)